Study of RYZ101 vs. SOC in inoperable SSTR+ Well-differentiated GEP-NET

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RayzeBio, Inc is starting a new clinical trial of Study of RYZ101 Compared With SOC in Pts With Inoperable SSTR+ Well-differentiated GEP-NET That Has Progressed Following 177Lu-SSA Therapy.

This study aims to determine the safety, pharmacokinetics (PK) and recommended Phase 3 dose (RP3D) of RYZ101 in Part 1, and the safety, efficacy, and PK of RYZ101 compared with investigator-selected standard of care (SoC) therapy in Part 2 in subjects with inoperable, advanced, well-differentiated, somatostatin receptor expressing (SSTR+) gastroenteropancreatic neuroendocrine tumors (GEP-NETs) that have progressed following treatment with Lutetium 177-labelled somatostatin analogue (177Lu-SSA) therapy, such as 177Lu-DOTATATE or 177Lu-DOTATOC (177Lu-DOTATATE/TOC), or 177Lu-high affinity [HA]-DOTATATE.

The clinical trial started in March 24, 2022 and will continue throughout July 2028.

Phase 3: PFS as determined by BICR will be primary outcome measure. PFS will be defined as the time from the date of randomization until the date of progression (as determined by BICR from tumor assessments using RECIST v1.1) or death due to any cause, whichever occurs earlier.

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